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captive.d

captive.d is a collection of scripts to log in to captive portals automatically.

Feel free to PR additional scripts.

Dependencies

Some scripts are implemented using bash and curl. Others require more complex oprtations and are implememted in python3 using requests and BeautifulSoup 4 (bs4).

Integration in dispatcher.d (example)

> cat /etc/NetworkManager/dispatcher.d/02-captive
#!/bin/bash
INTERFACE=$1
STATE=$2
if [[ $INTERFACE = 'wlp3s0' &&  $STATE = 'up' ]]; then
	PORTALCHECK=`curl http://portalcheck.yellowant.de`
	if [[ "$PORTALCHECK" != "success" ]]; then
		echo "Captive Portal detected!"
		SSID=`nmcli -t -f active,ssid dev wifi | egrep '^yes' | cut -d: -f2`
		echo "SSID: $SSID"
		if [[ -f "/etc/NetworkManager/dispatcher.d/captive.d/${SSID}" ]]; then
			if [[ "$SSID" =~ [a-zA-Z0-9\!-:space:]* ]]; then
				echo "Running command \"/etc/NetworkManager/dispatcher.d/captive.d/$SSID\""
				. "/etc/NetworkManager/dispatcher.d/captive.d/$SSID"
              			  # Optional: connect to VPN
              			  # nmcli connection up vpn
			else
				echo "Invalid SSID!"
			fi
		else
			echo "No profile found."
		fi
	fi
fi